A schoolgirl spent more than ten hours in terror after balaclava-clad intruder broke into her Sydney home and fitted a fake bomb around her neck in a possible extortion bid. Police revealed they found no explosives on the device as Madeleine Pulver, 18, was released from hospital this morning and back with her parents. A manhunt is underway for the intruder. (Snip) Madeleine's father, William, is said to be one of the richest men in Australia. The family, who recently moved back to Australia from New York and live in a mansion in the exclusive suburb of Mosman. had no